41. As a dogmatist, he focused mainly on Systematic theology, particularly in the area of Christology, Ecclesiology and Mariology. 42. These divisions are known as the "'three states of the Church "', especially within Catholic ecclesiology . 43. Other ecclesiologies are the " hierarchical-institutional " and the " organic-mystical ", and the " congregationalist ". 44. This debate has had implications in ecclesiology , per Leonardo Boff's " Church : Charism and Power ". 45. The college also hosts a research centre for practical theology, the Oxford Centre for Ecclesiology and Practical Theology ( OxCEPT ). 46. Inspired by Alan Roxburgh, Driscoll settled on an emerging and missional ecclesiology , and a complementarian view on women in ministry. 47. The renewed Catholic ecclesiology and sacramental doctrine of the Council of Trent are displayed in the tone of the counter-reformation. 48. "' Ecclesiology "'usually now refers to the church buildings; it may still be used in this sense. 49. The college also incorporates the Oxford Centre for Ecclesiology and Practical Theology, headed by Cathy Ross, who also teaches contextual theology. 50. He served as professor of ecclesiology and history of the Church in his home diocese at the Sig�enza seminary from 1971-1974.